LSP integration steps 1-4, part of 5.

lsp/LspProcessClient.h

@@ -0,0 +1,47 @@
+/*
+ * LspProcessClient.h - process-based LSP client (initial stub)
+ */
+#ifndef KTE_LSP_PROCESS_CLIENT_H
+#define KTE_LSP_PROCESS_CLIENT_H
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "LspClient.h"
+#include "JsonRpcTransport.h"
+
+namespace kte::lsp {
+class LspProcessClient : public LspClient {
+public:
+	LspProcessClient(std::string serverCommand, std::vector<std::string> serverArgs);
+
+	~LspProcessClient() override;
+
+	bool initialize(const std::string &rootPath) override;
+
+	void shutdown() override;
+
+	void didOpen(const std::string &uri, const std::string &languageId,
+	             int version, const std::string &text) override;
+
+	void didChange(const std::string &uri, int version,
+	               const std::vector<TextDocumentContentChangeEvent> &changes) override;
+
+	void didClose(const std::string &uri) override;
+
+	void didSave(const std::string &uri) override;
+
+	bool isRunning() const override;
+
+	std::string getServerName() const override;
+
+private:
+	std::string command_;
+	std::vector<std::string> args_;
+	std::unique_ptr<JsonRpcTransport> transport_;
+	bool running_ = false;
+};
+} // namespace kte::lsp
+
+#endif // KTE_LSP_PROCESS_CLIENT_H